From Fedora Project Wiki
Description
Setup
- Install Fedora 17 on your machine
- After system installed, check if kexec-tools kernel-debuginfo and crash is installed via
rpm -q kexec-tools kernel-debuginfo crash Or via yum yum install kexec-tools kernel-debuginfo crash
- Reserve crashkernel for kdump by grubby
grubby --args="crashkernl=128M" --update-kernel=$(grubby --default-kernel)
Reboot system and check /proc/cmdlinecat /proc/cmdline | grep "crashkernel"
- Edit /etc/kdump.conf, add this line:
ext4 /dev/mapper/vg_dhcp6558-lv_root
core_collector makedumpfile -E -d 31
- Apply changes and start kdump via service kdump restart
How to test
- Start here ...
- Next do this ...
- Finally click that
Expected Results
- Step #1 completes without error
- The system boots into runlevel 5
- Program completes with exit code 0